# HG changeset patch
# User Raimund Renkert <rrenkert@intevation.de>
# Date 1400230559 -7200
# Node ID 43f18dc56c5a8b5f75eec8382f59276955cb3ef7
# Parent  5951d6430ade0c264995c34db7ec8d4d407a201d
Fixed subtitle handling and added flowvelocity subtitle.

diff -r 5951d6430ade -r 43f18dc56c5a artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator2.java
--- a/artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator2.java	Fri May 16 09:32:51 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator2.java	Fri May 16 10:55:59 2014 +0200
@@ -686,6 +686,9 @@
 
         if (chartSettings != null) {
             String subTitle = getChartSubtitle(chartSettings);
+            if (subTitle == null) {
+                return getDefaultChartSubtitle();
+            }
             String defSubTitle = getDefaultChartSubtitle();
             if (defSubTitle != null &&
                 !defSubTitle.isEmpty() &&
diff -r 5951d6430ade -r 43f18dc56c5a artifacts/src/main/java/org/dive4elements/river/exports/DiagramGenerator.java
--- a/artifacts/src/main/java/org/dive4elements/river/exports/DiagramGenerator.java	Fri May 16 09:32:51 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/DiagramGenerator.java	Fri May 16 10:55:59 2014 +0200
@@ -1046,15 +1046,27 @@
     @Override
     public String getDefaultChartSubtitle() {
         String parts = "";
+        DiagramAttributes.Title dTitle = diagramAttributes.getSubtitle();
+        if (dTitle == null &&
+            (subTitleParts == null || subTitleParts.isEmpty())) {
+            /* Subtitle is optional */
+            return null;
+        }
         if (subTitleParts != null && !subTitleParts.isEmpty()) {
+            boolean first = true;
+            if (dTitle != null) {
+                first = false;
+            }
              for (String p : subTitleParts) {
-                 parts += ", " + p;
+                 if (!first) {
+                     parts += ", ";
+                 }
+                 parts += p;
+                 first = false;
              }
         }
-        DiagramAttributes.Title dTitle = diagramAttributes.getSubtitle();
-        if (dTitle == null) {
-            /* Subtitle is optional */
-            return null;
+        if (dTitle == null && parts.length() > 0) {
+            return parts;
         }
         return dTitle.evaluate((D4EArtifact)getMaster(), context) + parts;
     }
diff -r 5951d6430ade -r 43f18dc56c5a artifacts/src/main/java/org/dive4elements/river/exports/LongitudinalSectionGenerator2.java
--- a/artifacts/src/main/java/org/dive4elements/river/exports/LongitudinalSectionGenerator2.java	Fri May 16 09:32:51 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/LongitudinalSectionGenerator2.java	Fri May 16 10:55:59 2014 +0200
@@ -63,22 +63,29 @@
          * actually does the output and accesses the facet data.
          */
         D4EArtifact artifact = (D4EArtifact)bundle.getArtifact();
-
+        if (context.getContextValue("bounds_defined") != null &&
+            (Boolean)context.getContextValue("bounds_defined")) {
+            super.doOut(bundle, theme, visible);
+            return;
+        }
         if (getXBounds(0) != null && getDomainAxisRange() != null) {
             Bounds bounds =
                 calculateZoom(getXBounds(0), getDomainAxisRange());
             context.putContextValue("startkm", bounds.getLower());
             context.putContextValue("endkm", bounds.getUpper());
+            context.putContextValue("bounds_defined", true);
         }
         else if (getXBounds(0) != null && getDomainAxisRange() == null) {
             context.putContextValue("startkm", getXBounds(0).getLower());
             context.putContextValue("endkm", getXBounds(0).getUpper());
+            context.putContextValue("bounds_defined", true);
         }
         else if (getXBounds(0) == null && getDomainAxisRange() == null) {
             RangeAccess access = new RangeAccess(artifact);
             if (access.hasFrom() && access.hasTo()) {
                 context.putContextValue("startkm", access.getFrom());
                 context.putContextValue("endkm", access.getTo());
+                context.putContextValue("bounds_defined", true);
             }
         }
         else if (getXBounds(0) == null && getDomainAxisRange() != null){
@@ -89,6 +96,7 @@
                     calculateZoom(b, getDomainAxisRange());
                 context.putContextValue("startkm", bounds.getLower());
                 context.putContextValue("endkm", bounds.getUpper());
+                context.putContextValue("bounds_defined", true);
             }
         }
         super.doOut(bundle, theme, visible);
diff -r 5951d6430ade -r 43f18dc56c5a artifacts/src/main/java/org/dive4elements/river/exports/process/FlowVelocityProcessor.java
--- a/artifacts/src/main/java/org/dive4elements/river/exports/process/FlowVelocityProcessor.java	Fri May 16 09:32:51 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/process/FlowVelocityProcessor.java	Fri May 16 10:55:59 2014 +0200
@@ -13,7 +13,11 @@
 
 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
 import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.river.artifacts.D4EArtifact;
+import org.dive4elements.river.artifacts.access.RiverAccess;
+import org.dive4elements.river.artifacts.context.RiverContext;
 import org.dive4elements.river.artifacts.model.FacetTypes;
+import org.dive4elements.river.artifacts.model.ZoomScale;
 import org.dive4elements.river.exports.DiagramGenerator;
 import org.dive4elements.river.exports.StyledSeriesBuilder;
 import org.dive4elements.river.jfree.StyledXYSeries;
@@ -21,6 +25,7 @@
 
 import org.dive4elements.river.model.FlowVelocityMeasurementValue.FastFlowVelocityMeasurementValue;
 import org.dive4elements.river.artifacts.model.FlowVelocityData;
+import org.dive4elements.river.artifacts.resources.Resources;
 
 public class FlowVelocityProcessor extends DefaultProcessor {
 
@@ -31,6 +36,8 @@
         "chart.flow_velocity.section.yaxis.label";
     public static final String I18N_AXIS_LABEL_DEFAULT =
         "Geschwindigkeit v [m/s]";
+    public static final String I18N_SUBTITLE_RADIUS =
+        "chart.subtitle.radius";
 
     @Override
     public void doOut(
@@ -68,7 +75,24 @@
             return;
         }
         StyledSeriesBuilder.addPoints(series, points, true);
+        Double start = (Double)context.getContextValue("startkm");
+        Double end = (Double)context.getContextValue("endkm");
+        if (start != null && end != null) {
+            logger.debug("start: " + start + " end: " + end);
+            D4EArtifact artifact = (D4EArtifact)bundle.getArtifact();
+            RiverContext fc = (RiverContext)context.globalContext();
+            // Adaptive smoothing, based on zoom factor/diagram extents.
+            ZoomScale scales = (ZoomScale)fc.get("zoomscale");
+            RiverAccess access = new RiverAccess((D4EArtifact)artifact);
+            String river = access.getRiverName();
 
+            double radius = scales.getRadius(river, start, end);
+            logger.debug("add a subtitle");
+            generator.addSubtitle(Resources.getMsg(
+                context.getMeta(),
+                    I18N_SUBTITLE_RADIUS,
+                    new Object[] { radius }));
+        }
         generator.addAxisSeries(series, axisName, visible);
     }